SI52112-A2

Si52112-A1/A2 PCI-EXPRESS GEN 1 DUAL OUTPUT CLOCK GENERATOR Features  PCI-Express Gen 1 compliant  3.3 V Power supply  Low power HCSL differential output buffers  Small package 10-pin TDFN (3x3 mm)  Supports Serial-ATA (SATA) at  Si52112-A1 does not support 100 MHz spread spectrum outputs  No termination resistors required  Si52112-A2 supports 0.5% down  25 MHz Crystal Input or Clock spread outputs input  For PCIe Gen 2 applications, see  Triangular spread spectrum Si52112-B3/B4 profile for maximum EMI  For PCIe Gen 3 applications, see reduction (Si52112-A2) Si52112-B5/B6  Extended Temperature: –40 to 85 °C Applications  Network Attached Storage  Multi-function Printer  Wireless Access Point  Routers Description Si52112-A1/A2 is a high-performance, PCIe clock generator that can source two PCIe clocks from a 25 MHz crystal or clock input. The clock outputs are compliant to PCIe Gen 1 specifications. The ultra-small footprint (3x3 mm) and industry leading low power consumption make Si52112-A1/A2 the ideal clock solution for consumer and embedded applications. Ordering Information: See page 13 Pin Assignments VDD 1 XOUT 2 XIN/CLKIN 3 VSS 4 VSS 5 10 VDD 9 DIFF2 8 DIFF2 7 DIFF1 6 DIFF1 Patents pending VDD XIN/CLKIN XOUT PLL Divider DIFF1 DIFF2 VSS Rev 1.2 7/14 Copyright © 2014 by Silicon Laboratories Si52112-A1/A2 Si52112-A1/A2 2 Rev 1.2 TABLE OF CONTENTS Si52112-A1/A2 Section Page 1. Electrical Specifications . . . . . . ...